First-principles study of electron-phonon superconductivity in YSn 3

S. B. Dugdale

doi:10.1103/PhysRevB.83.012502

First-principles study of electron-phonon superconductivity in YSn ₃

S. B. Dugdale

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Abstract

First-principles calculations of the cubic intermetallic compound YSn ₃ indicate that the superconductivity it exhibits below 7 K can be explained by intermediate strength conventional electron-phonon coupling. With a reasonable value for the Coulomb pseudopotential μ⊃*=0.12, and the calculated electron-phonon coupling constant of 0.99, the McMillan formula predicts a T_c of approximately 6 K.

Original language	English
Article number	012502
Pages (from-to)	1-4
Number of pages	4
Journal	Physical Review B: Condensed Matter and Materials Physics
Volume	83
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevB.83.012502
Publication status	Published - 10 Jan 2011

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title = "First-principles study of electron-phonon superconductivity in YSn 3",

abstract = "First-principles calculations of the cubic intermetallic compound YSn 3 indicate that the superconductivity it exhibits below 7 K can be explained by intermediate strength conventional electron-phonon coupling. With a reasonable value for the Coulomb pseudopotential μ⊃*=0.12, and the calculated electron-phonon coupling constant of 0.99, the McMillan formula predicts a Tc of approximately 6 K. ",

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AU - Dugdale, S. B.

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N2 - First-principles calculations of the cubic intermetallic compound YSn 3 indicate that the superconductivity it exhibits below 7 K can be explained by intermediate strength conventional electron-phonon coupling. With a reasonable value for the Coulomb pseudopotential μ⊃*=0.12, and the calculated electron-phonon coupling constant of 0.99, the McMillan formula predicts a Tc of approximately 6 K.

AB - First-principles calculations of the cubic intermetallic compound YSn 3 indicate that the superconductivity it exhibits below 7 K can be explained by intermediate strength conventional electron-phonon coupling. With a reasonable value for the Coulomb pseudopotential μ⊃*=0.12, and the calculated electron-phonon coupling constant of 0.99, the McMillan formula predicts a Tc of approximately 6 K.

UR - https://www.scopus.com/pages/publications/79551511141

U2 - 10.1103/PhysRevB.83.012502

DO - 10.1103/PhysRevB.83.012502

M3 - Article (Academic Journal)

AN - SCOPUS:79551511141

SN - 1098-0121

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SP - 1

EP - 4

JO - Physical Review B: Condensed Matter and Materials Physics

JF - Physical Review B: Condensed Matter and Materials Physics

IS - 1

M1 - 012502

ER -

First-principles study of electron-phonon superconductivity in YSn ₃

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